/**************************************************************************
***    
*** Copyright (c) 1995-2000 Regents of the University of California,
***               Andrew E. Caldwell, Andrew B. Kahng and Igor L. Markov
*** Copyright (c) 2000-2002 Regents of the University of Michigan,
***               Saurabh N. Adya and Igor L. Markov
***
***  Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu
***  Original Affiliation:   UCLA, Computer Science Department,
***                          Los Angeles, CA 90095-1596 USA
***
***  Permission is hereby granted, free of charge, to any person obtaining 
***  a copy of this software and associated documentation files (the
***  "Software"), to deal in the Software without restriction, including
***  without limitation 
***  the rights to use, copy, modify, merge, publish, distribute, sublicense, 
***  and/or sell copies of the Software, and to permit persons to whom the 
***  Software is furnished to do so, subject to the following conditions:
***
***  The above copyright notice and this permission notice shall be included
***  in all copies or substantial portions of the Software.
***
*** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
*** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
*** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
*** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
*** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
*** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
*** THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***
***
***************************************************************************/






//created by Igor Markov on 05/25/98

#ifndef __NETCUTWNETVEC_H__
#define __NETCUTWNETVEC_H__

#include <math.h>
#include "netVec.h"

class NetCutWNetVec : public NetVecGeneric
{

protected:
  static unsigned _costTable[];

public:

  NetCutWNetVec(const PartitioningProblem& problem, const Partitioning& part)
                 : NetVecGeneric(problem,part,1) { precomputeTable(); }

  NetCutWNetVec(const PartitioningProblem& problem)
                 : NetVecGeneric(problem,1) { precomputeTable(); }

  NetCutWNetVec(const HGraphFixed& hg, const Partitioning& part, 
                    unsigned nParts)
                 : NetVecGeneric(hg,part,nParts,1) { precomputeTable(); }

  virtual void precomputeTable();

  virtual inline unsigned computeCostToCache(unsigned config) 
  {
     PartitionIds bits; bits.loadBitsFrom(config);
     if (bits.numberPartitions(_nParts)==1) return 0;
     return 1;
  }

  unsigned getMaxCostOfOneNet() const  { return 1; }

  virtual inline unsigned computeCostOfOneNet(unsigned netIdx) const
  { return _costTable[_movblConfigIds[netIdx].getUnsigned()]; }

  virtual bool isNetCut() const { return true; }
};

#endif
